s3: use time_mono throughout in smbget
[amitay/samba.git] / source3 / utils / smbget.c
1 /*
2    smbget: a wget-like utility with support for recursive downloading and 
3         smb:// urls
4    Copyright (C) 2003-2004 Jelmer Vernooij <jelmer@samba.org>
5
6    This program is free software; you can redistribute it and/or modify
7    it under the terms of the GNU General Public License as published by
8    the Free Software Foundation; either version 3 of the License, or
9    (at your option) any later version.
10
11    This program is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14    GNU General Public License for more details.
15
16    You should have received a copy of the GNU General Public License
17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
18
19 #include "includes.h"
20 #include "popt_common.h"
21 #include "libsmbclient.h"
22
23 #if _FILE_OFFSET_BITS==64
24 #define OFF_T_FORMAT "%lld"
25 #define OFF_T_FORMAT_CAST long long
26 #else
27 #define OFF_T_FORMAT "%ld"
28 #define OFF_T_FORMAT_CAST long
29 #endif
30
31 static int columns = 0;
32
33 static int debuglevel, update;
34 static char *outputfile;
35
36
37 static time_t total_start_time = 0;
38 static off_t total_bytes = 0;
39
40 #define SMB_MAXPATHLEN MAXPATHLEN
41
42 /* Number of bytes to read when checking whether local and remote file are really the same file */
43 #define RESUME_CHECK_SIZE                               512
44 #define RESUME_DOWNLOAD_OFFSET                  1024
45 #define RESUME_CHECK_OFFSET                             RESUME_DOWNLOAD_OFFSET+RESUME_CHECK_SIZE
46 /* Number of bytes to read at once */
47 #define SMB_DEFAULT_BLOCKSIZE                                   64000
48
49 static const char *username = NULL, *password = NULL, *workgroup = NULL;
50 static int nonprompt = 0, quiet = 0, dots = 0, keep_permissions = 0, verbose = 0, send_stdout = 0;
51 static int blocksize = SMB_DEFAULT_BLOCKSIZE;
52
53 static int smb_download_file(const char *base, const char *name, int recursive,
54                              int resume, int toplevel, char *outfile);
55
56 static int get_num_cols(void)
57 {
58 #ifdef TIOCGWINSZ
59         struct winsize ws;
60         if(ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) < 0) {
61                 return 0;
62         }
63         return ws.ws_col;
64 #else
65 #warning No support for TIOCGWINSZ
66         char *cols = getenv("COLUMNS");
67         if(!cols) return 0;
68         return atoi(cols);
69 #endif
70 }
71
72 static void change_columns(int sig)
73 {
74         columns = get_num_cols();
75 }
76
77 static void human_readable(off_t s, char *buffer, int l)
78 {
79         if(s > 1024 * 1024 * 1024) snprintf(buffer, l, "%.2fGb", 1.0 * s / (1024 * 1024 * 1024));
80         else if(s > 1024 * 1024) snprintf(buffer, l, "%.2fMb", 1.0 * s / (1024 * 1024));
81         else if(s > 1024) snprintf(buffer, l, "%.2fkb", 1.0 * s / 1024);
82         else snprintf(buffer, l, OFF_T_FORMAT"b", (OFF_T_FORMAT_CAST)s);
83 }
84
85 static void get_auth_data(const char *srv, const char *shr, char *wg, int wglen, char *un, int unlen, char *pw, int pwlen)
86 {
87         static char hasasked = 0;
88         char *wgtmp, *usertmp;
89         char tmp[128];
90
91         if(hasasked) return;
92         hasasked = 1;
93
94         if(!nonprompt && !username) {
95                 printf("Username for %s at %s [guest] ", shr, srv);
96                 if (fgets(tmp, sizeof(tmp), stdin) == NULL) {
97                         return;
98                 }
99                 if ((strlen(tmp) > 0) && (tmp[strlen(tmp)-1] == '\n')) {
100                         tmp[strlen(tmp)-1] = '\0';
101                 }
102                 strncpy(un, tmp, unlen-1);
103         } else if(username) strncpy(un, username, unlen-1);
104
105         if(!nonprompt && !password) {
106                 char *prompt, *pass;
107                 if (asprintf(&prompt, "Password for %s at %s: ", shr, srv) == -1) {
108                         return;
109                 }
110                 pass = getpass(prompt);
111                 free(prompt);
112                 strncpy(pw, pass, pwlen-1);
113         } else if(password) strncpy(pw, password, pwlen-1);
114
115         if(workgroup)strncpy(wg, workgroup, wglen-1);
116
117         wgtmp = SMB_STRNDUP(wg, wglen); 
118         usertmp = SMB_STRNDUP(un, unlen);
119         if(!quiet)printf("Using workgroup %s, %s%s\n", wgtmp, *usertmp?"user ":"guest user", usertmp);
120         free(wgtmp); free(usertmp);
121 }
122
123 /* Return 1 on error, 0 on success. */
124
125 static int smb_download_dir(const char *base, const char *name, int resume)
126 {
127         char path[SMB_MAXPATHLEN];
128         int dirhandle;
129         struct smbc_dirent *dirent;
130         const char *relname = name;
131         char *tmpname;
132         struct stat remotestat;
133         int ret = 0;
134
135         snprintf(path, SMB_MAXPATHLEN-1, "%s%s%s", base, (base[0] && name[0] && name[0] != '/' && base[strlen(base)-1] != '/')?"/":"", name);
136
137         /* List files in directory and call smb_download_file on them */
138         dirhandle = smbc_opendir(path);
139         if(dirhandle < 1) {
140                 if (errno == ENOTDIR) {
141                         return smb_download_file(base, name, 1, resume,
142                                                  0, NULL);
143                 }
144                 fprintf(stderr, "Can't open directory %s: %s\n", path, strerror(errno));
145                 return 1;
146         }
147
148         while(*relname == '/')relname++;
149         mkdir(relname, 0755);
150
151         tmpname = SMB_STRDUP(name);
152
153         while((dirent = smbc_readdir(dirhandle))) {
154                 char *newname;
155                 if(!strcmp(dirent->name, ".") || !strcmp(dirent->name, ".."))continue;
156                 if (asprintf(&newname, "%s/%s", tmpname, dirent->name) == -1) {
157                         return 1;
158                 }
159                 switch(dirent->smbc_type) {
160                 case SMBC_DIR:
161                         ret = smb_download_dir(base, newname, resume);
162                         break;
163
164                 case SMBC_WORKGROUP:
165                         ret = smb_download_dir("smb://", dirent->name, resume);
166                         break;
167
168                 case SMBC_SERVER:
169                         ret = smb_download_dir("smb://", dirent->name, resume);
170                         break;
171
172                 case SMBC_FILE:
173                         ret = smb_download_file(base, newname, 1, resume, 0,
174                                                 NULL);
175                         break;
176
177                 case SMBC_FILE_SHARE:
178                         ret = smb_download_dir(base, newname, resume);
179                         break;
180
181                 case SMBC_PRINTER_SHARE:
182                         if(!quiet)printf("Ignoring printer share %s\n", dirent->name);
183                         break;
184
185                 case SMBC_COMMS_SHARE:
186                         if(!quiet)printf("Ignoring comms share %s\n", dirent->name);
187                         break;
188
189                 case SMBC_IPC_SHARE:
190                         if(!quiet)printf("Ignoring ipc$ share %s\n", dirent->name);
191                         break;
192
193                 default:
194                         fprintf(stderr, "Ignoring file '%s' of type '%d'\n", newname, dirent->smbc_type);
195                         break;
196                 }
197                 free(newname);
198         }
199         free(tmpname);
200
201         if(keep_permissions) {
202                 if(smbc_fstat(dirhandle, &remotestat) < 0) {
203                         fprintf(stderr, "Unable to get stats on %s on remote server\n", path);
204                         smbc_closedir(dirhandle);
205                         return 1;
206                 }
207
208                 if(chmod(relname, remotestat.st_mode) < 0) {
209                         fprintf(stderr, "Unable to change mode of local dir %s to %o\n", relname,
210                                 (unsigned int)remotestat.st_mode);
211                         smbc_closedir(dirhandle);
212                         return 1;
213                 }
214         }
215
216         smbc_closedir(dirhandle);
217         return ret;
218 }
219
220 static char *print_time(long t)
221 {
222         static char buffer[100];
223         int secs, mins, hours;
224         if(t < -1) {
225                 strncpy(buffer, "Unknown", sizeof(buffer));
226                 return buffer;
227         }
228
229         secs = (int)t % 60;
230         mins = (int)t / 60 % 60;
231         hours = (int)t / (60 * 60);
232         snprintf(buffer, sizeof(buffer)-1, "%02d:%02d:%02d", hours, mins, secs);
233         return buffer;
234 }
235
236 static void print_progress(const char *name, time_t start, time_t now, off_t start_pos, off_t pos, off_t total)
237 {
238         double avg = 0.0;
239         long  eta = -1; 
240         double prcnt = 0.0;
241         char hpos[20], htotal[20], havg[20];
242         char *status, *filename;
243         int len;
244         if(now - start)avg = 1.0 * (pos - start_pos) / (now - start);
245         eta = (total - pos) / avg;
246         if(total)prcnt = 100.0 * pos / total;
247
248         human_readable(pos, hpos, sizeof(hpos));
249         human_readable(total, htotal, sizeof(htotal));
250         human_readable(avg, havg, sizeof(havg));
251
252         len = asprintf(&status, "%s of %s (%.2f%%) at %s/s ETA: %s", hpos, htotal, prcnt, havg, print_time(eta));
253         if (len == -1) {
254                 return;
255         }
256
257         if(columns) {
258                 int required = strlen(name), available = columns - len - strlen("[] ");
259                 if(required > available) {
260                         if (asprintf(&filename, "...%s", name + required - available + 3) == -1) {
261                                 return;
262                         }
263                 } else {
264                         filename = SMB_STRNDUP(name, available);
265                 }
266         } else filename = SMB_STRDUP(name);
267
268         fprintf(stderr, "\r[%s] %s", filename, status);
269
270         free(filename); free(status);
271 }
272
273 /* Return 1 on error, 0 on success. */
274
275 static int smb_download_file(const char *base, const char *name, int recursive,
276                              int resume, int toplevel, char *outfile)
277 {
278         int remotehandle, localhandle;
279         time_t start_time = time_mono(NULL);
280         time_t now;
281         const char *newpath;
282         char path[SMB_MAXPATHLEN];
283         char checkbuf[2][RESUME_CHECK_SIZE];
284         char *readbuf = NULL;
285         off_t offset_download = 0, offset_check = 0, curpos = 0, start_offset = 0;
286         struct stat localstat, remotestat;
287
288         snprintf(path, SMB_MAXPATHLEN-1, "%s%s%s", base, (*base && *name && name[0] != '/' && base[strlen(base)-1] != '/')?"/":"", name);
289
290         remotehandle = smbc_open(path, O_RDONLY, 0755);
291
292         if(remotehandle < 0) {
293                 switch(errno) {
294                 case EISDIR: 
295                         if(!recursive) {
296                                 fprintf(stderr, "%s is a directory. Specify -R to download recursively\n", path);
297                                 return 1;
298                         }
299                         return smb_download_dir(base, name, resume);
300
301                 case ENOENT:
302                         fprintf(stderr, "%s can't be found on the remote server\n", path);
303                         return 1;
304
305                 case ENOMEM:
306                         fprintf(stderr, "Not enough memory\n");
307                         return 1;
308
309                 case ENODEV:
310                         fprintf(stderr, "The share name used in %s does not exist\n", path);
311                         return 1;
312
313                 case EACCES:
314                         fprintf(stderr, "You don't have enough permissions to access %s\n", path);
315                         return 1;
316
317                 default:
318                         perror("smbc_open");
319                         return 1;
320                 }
321         } 
322
323         if(smbc_fstat(remotehandle, &remotestat) < 0) {
324                 fprintf(stderr, "Can't stat %s: %s\n", path, strerror(errno));
325                 return 1;
326         }
327
328         if(outfile) newpath = outfile;
329         else if(!name[0]) {
330                 newpath = strrchr(base, '/');
331                 if(newpath)newpath++; else newpath = base;
332         } else newpath = name;
333
334         if (!toplevel && (newpath[0] == '/')) {
335                 newpath++;
336         }
337
338         /* Open local file according to the mode */
339         if(update) {
340                 /* if it is up-to-date, skip */
341                 if(stat(newpath, &localstat) == 0 &&
342                                 localstat.st_mtime >= remotestat.st_mtime) {
343                         if(verbose)
344                                 printf("%s is up-to-date, skipping\n", newpath);
345                         smbc_close(remotehandle);
346                         return 0;
347                 }
348                 /* else open it for writing and truncate if it exists */
349                 localhandle = open(newpath, O_CREAT | O_NONBLOCK | O_RDWR | O_TRUNC, 0775);
350                 if(localhandle < 0) {
351                         fprintf(stderr, "Can't open %s : %s\n", newpath,
352                                         strerror(errno));
353                         smbc_close(remotehandle);
354                         return 1;
355                 }
356                 /* no offset */
357         } else if(!send_stdout) {
358                 localhandle = open(newpath, O_CREAT | O_NONBLOCK | O_RDWR | (!resume?O_EXCL:0), 0755);
359                 if(localhandle < 0) {
360                         fprintf(stderr, "Can't open %s: %s\n", newpath, strerror(errno));
361                         smbc_close(remotehandle);
362                         return 1;
363                 }
364
365                 if (fstat(localhandle, &localstat) != 0) {
366                         fprintf(stderr, "Can't fstat %s: %s\n", newpath, strerror(errno));
367                         smbc_close(remotehandle);
368                         close(localhandle);
369                         return 1;
370                 }
371
372                 start_offset = localstat.st_size;
373
374                 if(localstat.st_size && localstat.st_size == remotestat.st_size) {
375                         if(verbose)fprintf(stderr, "%s is already downloaded completely.\n", path);
376                         else if(!quiet)fprintf(stderr, "%s\n", path);
377                         smbc_close(remotehandle);
378                         close(localhandle);
379                         return 0;
380                 }
381
382                 if(localstat.st_size > RESUME_CHECK_OFFSET && remotestat.st_size > RESUME_CHECK_OFFSET) {
383                         offset_download = localstat.st_size - RESUME_DOWNLOAD_OFFSET;
384                         offset_check = localstat.st_size - RESUME_CHECK_OFFSET;
385                         if(verbose)printf("Trying to start resume of %s at "OFF_T_FORMAT"\n"
386                                    "At the moment "OFF_T_FORMAT" of "OFF_T_FORMAT" bytes have been retrieved\n",
387                                 newpath, (OFF_T_FORMAT_CAST)offset_check, 
388                                 (OFF_T_FORMAT_CAST)localstat.st_size,
389                                 (OFF_T_FORMAT_CAST)remotestat.st_size);
390                 }
391
392                 if(offset_check) { 
393                         off_t off1, off2;
394                         /* First, check all bytes from offset_check to offset_download */
395                         off1 = lseek(localhandle, offset_check, SEEK_SET);
396                         if(off1 < 0) {
397                                 fprintf(stderr, "Can't seek to "OFF_T_FORMAT" in local file %s\n",
398                                         (OFF_T_FORMAT_CAST)offset_check, newpath);
399                                 smbc_close(remotehandle); close(localhandle);
400                                 return 1;
401                         }
402
403                         off2 = smbc_lseek(remotehandle, offset_check, SEEK_SET); 
404                         if(off2 < 0) {
405                                 fprintf(stderr, "Can't seek to "OFF_T_FORMAT" in remote file %s\n",
406                                         (OFF_T_FORMAT_CAST)offset_check, newpath);
407                                 smbc_close(remotehandle); close(localhandle);
408                                 return 1;
409                         }
410
411                         if(off1 != off2) {
412                                 fprintf(stderr, "Offset in local and remote files is different (local: "OFF_T_FORMAT", remote: "OFF_T_FORMAT")\n",
413                                         (OFF_T_FORMAT_CAST)off1,
414                                         (OFF_T_FORMAT_CAST)off2);
415                                 return 1;
416                         }
417
418                         if(smbc_read(remotehandle, checkbuf[0], RESUME_CHECK_SIZE) != RESUME_CHECK_SIZE) {
419                                 fprintf(stderr, "Can't read %d bytes from remote file %s\n", RESUME_CHECK_SIZE, path);
420                                 smbc_close(remotehandle); close(localhandle);
421                                 return 1;
422                         }
423
424                         if(read(localhandle, checkbuf[1], RESUME_CHECK_SIZE) != RESUME_CHECK_SIZE) {
425                                 fprintf(stderr, "Can't read %d bytes from local file %s\n", RESUME_CHECK_SIZE, name);
426                                 smbc_close(remotehandle); close(localhandle);
427                                 return 1;
428                         }
429
430                         if(memcmp(checkbuf[0], checkbuf[1], RESUME_CHECK_SIZE) == 0) {
431                                 if(verbose)printf("Current local and remote file appear to be the same. Starting download from offset "OFF_T_FORMAT"\n", (OFF_T_FORMAT_CAST)offset_download);
432                         } else {
433                                 fprintf(stderr, "Local and remote file appear to be different, not doing resume for %s\n", path);
434                                 smbc_close(remotehandle); close(localhandle);
435                                 return 1;
436                         }
437                 }
438         } else {
439                 localhandle = STDOUT_FILENO;
440                 start_offset = 0;
441                 offset_download = 0;
442                 offset_check = 0;
443         }
444
445         readbuf = (char *)SMB_MALLOC(blocksize);
446
447         /* Now, download all bytes from offset_download to the end */
448         for(curpos = offset_download; curpos < remotestat.st_size; curpos+=blocksize) {
449                 ssize_t bytesread = smbc_read(remotehandle, readbuf, blocksize);
450                 if(bytesread < 0) {
451                         fprintf(stderr, "Can't read %u bytes at offset "OFF_T_FORMAT", file %s\n", (unsigned int)blocksize, (OFF_T_FORMAT_CAST)curpos, path);
452                         smbc_close(remotehandle);
453                         if (localhandle != STDOUT_FILENO) close(localhandle);
454                         free(readbuf);
455                         return 1;
456                 }
457
458                 total_bytes += bytesread;
459
460                 if(write(localhandle, readbuf, bytesread) < 0) {
461                         fprintf(stderr, "Can't write %u bytes to local file %s at offset "OFF_T_FORMAT"\n", (unsigned int)bytesread, path, (OFF_T_FORMAT_CAST)curpos);
462                         free(readbuf);
463                         smbc_close(remotehandle);
464                         if (localhandle != STDOUT_FILENO) close(localhandle);
465                         return 1;
466                 }
467
468                 if(dots)fputc('.', stderr);
469                 else if(!quiet) {
470                         print_progress(newpath, start_time, time_mono(NULL),
471                                         start_offset, curpos, remotestat.st_size);
472                 }
473         }
474
475         free(readbuf);
476
477         if(dots){
478                 fputc('\n', stderr);
479                 printf("%s downloaded\n", path);
480         } else if(!quiet) {
481                 int i;
482                 fprintf(stderr, "\r%s", path);
483                 if(columns) {
484                         for(i = strlen(path); i < columns; i++) {
485                                 fputc(' ', stderr);
486                         }
487                 }
488                 fputc('\n', stderr);
489         }
490
491         if(keep_permissions && !send_stdout) {
492                 if(fchmod(localhandle, remotestat.st_mode) < 0) {
493                         fprintf(stderr, "Unable to change mode of local file %s to %o\n", path,
494                                 (unsigned int)remotestat.st_mode);
495                         smbc_close(remotehandle);
496                         close(localhandle);
497                         return 1;
498                 }
499         }
500
501         smbc_close(remotehandle);
502         if (localhandle != STDOUT_FILENO) close(localhandle);
503         return 0;
504 }
505
506 static void clean_exit(void)
507 {
508         char bs[100];
509         human_readable(total_bytes, bs, sizeof(bs));
510         if(!quiet)fprintf(stderr, "Downloaded %s in %lu seconds\n", bs,
511                 (unsigned long)(time_mono(NULL) - total_start_time));
512         exit(0);
513 }
514
515 static void signal_quit(int v)
516 {
517         clean_exit();
518 }
519
520 static int readrcfile(const char *name, const struct poptOption long_options[])
521 {
522         FILE *fd = fopen(name, "r");
523         int lineno = 0, i;
524         char var[101], val[101];
525         char found;
526         int *intdata; char **stringdata;
527         if(!fd) {
528                 fprintf(stderr, "Can't open RC file %s\n", name);
529                 return 1;
530         }
531
532         while(!feof(fd)) {
533                 lineno++;
534                 if(fscanf(fd, "%100s %100s\n", var, val) < 2) {
535                         fprintf(stderr, "Can't parse line %d of %s, ignoring.\n", lineno, name);
536                         continue;
537                 }
538
539                 found = 0;
540
541                 for(i = 0; long_options[i].shortName; i++) {
542                         if(!long_options[i].longName)continue;
543                         if(strcmp(long_options[i].longName, var)) continue;
544                         if(!long_options[i].arg)continue;
545
546                         switch(long_options[i].argInfo) {
547                         case POPT_ARG_NONE:
548                                 intdata = (int *)long_options[i].arg;
549                                 if(!strcmp(val, "on")) *intdata = 1;
550                                 else if(!strcmp(val, "off")) *intdata = 0;
551                                 else fprintf(stderr, "Illegal value %s for %s at line %d in %s\n", val, var, lineno, name);
552                                 break;
553                         case POPT_ARG_INT:
554                                 intdata = (int *)long_options[i].arg;
555                                 *intdata = atoi(val);
556                                 break;
557                         case POPT_ARG_STRING:
558                                 stringdata = (char **)long_options[i].arg;
559                                 *stringdata = SMB_STRDUP(val);
560                                 break;
561                         default:
562                                 fprintf(stderr, "Invalid variable %s at line %d in %s\n", var, lineno, name);
563                                 break;
564                         }
565
566                         found = 1;
567                 }
568                 if(!found) {
569                         fprintf(stderr, "Invalid variable %s at line %d in %s\n", var, lineno, name);
570                 }
571         }
572
573         fclose(fd);
574         return 0;
575 }
576
577 int main(int argc, const char **argv)
578 {
579         int c = 0;
580         const char *file = NULL;
581         char *rcfile = NULL;
582         bool smb_encrypt = false;
583         int resume = 0, recursive = 0;
584         TALLOC_CTX *frame = talloc_stackframe();
585         int ret = 0;
586         struct poptOption long_options[] = {
587                 {"guest", 'a', POPT_ARG_NONE, NULL, 'a', "Work as user guest" },        
588                 {"encrypt", 'e', POPT_ARG_NONE, NULL, 'e', "Encrypt SMB transport (UNIX extended servers only)" },      
589                 {"resume", 'r', POPT_ARG_NONE, &resume, 0, "Automatically resume aborted files" },
590                 {"update", 'U',  POPT_ARG_NONE, &update, 0, "Download only when remote file is newer than local file or local file is missing"},
591                 {"recursive", 'R',  POPT_ARG_NONE, &recursive, 0, "Recursively download files" },
592                 {"username", 'u', POPT_ARG_STRING, &username, 'u', "Username to use" },
593                 {"password", 'p', POPT_ARG_STRING, &password, 'p', "Password to use" },
594                 {"workgroup", 'w', POPT_ARG_STRING, &workgroup, 'w', "Workgroup to use (optional)" },
595                 {"nonprompt", 'n', POPT_ARG_NONE, &nonprompt, 'n', "Don't ask anything (non-interactive)" },
596                 {"debuglevel", 'd', POPT_ARG_INT, &debuglevel, 'd', "Debuglevel to use" },
597                 {"outputfile", 'o', POPT_ARG_STRING, &outputfile, 'o', "Write downloaded data to specified file" },
598                 {"stdout", 'O', POPT_ARG_NONE, &send_stdout, 'O', "Write data to stdout" },
599                 {"dots", 'D', POPT_ARG_NONE, &dots, 'D', "Show dots as progress indication" },
600                 {"quiet", 'q', POPT_ARG_NONE, &quiet, 'q', "Be quiet" },
601                 {"verbose", 'v', POPT_ARG_NONE, &verbose, 'v', "Be verbose" },
602                 {"keep-permissions", 'P', POPT_ARG_NONE, &keep_permissions, 'P', "Keep permissions" },
603                 {"blocksize", 'b', POPT_ARG_INT, &blocksize, 'b', "Change number of bytes in a block"},
604                 {"rcfile", 'f', POPT_ARG_STRING, NULL, 'f', "Use specified rc file"},
605                 POPT_AUTOHELP
606                 POPT_TABLEEND
607         };
608         poptContext pc;
609
610         load_case_tables();
611
612         /* only read rcfile if it exists */
613         if (asprintf(&rcfile, "%s/.smbgetrc", getenv("HOME")) == -1) {
614                 return 1;
615         }
616         if(access(rcfile, F_OK) == 0) 
617                 readrcfile(rcfile, long_options);
618         free(rcfile);
619
620 #ifdef SIGWINCH
621         signal(SIGWINCH, change_columns);
622 #endif
623         signal(SIGINT, signal_quit);
624         signal(SIGTERM, signal_quit);
625
626         pc = poptGetContext(argv[0], argc, argv, long_options, 0);
627
628         while((c = poptGetNextOpt(pc)) >= 0) {
629                 switch(c) {
630                 case 'f':
631                         readrcfile(poptGetOptArg(pc), long_options);
632                         break;
633                 case 'a':
634                         username = ""; password = "";
635                         break;
636                 case 'e':
637                         smb_encrypt = true;
638                         break;
639                 }
640         }
641
642         if((send_stdout || resume || outputfile) && update) {
643                 fprintf(stderr, "The -o, -R or -O and -U options can not be used together.\n");
644                 return 1;
645         }
646         if((send_stdout || outputfile) && recursive) {
647                 fprintf(stderr, "The -o or -O and -R options can not be used together.\n");
648                 return 1;
649         }
650
651         if(outputfile && send_stdout) {
652                 fprintf(stderr, "The -o and -O options cannot be used together.\n");
653                 return 1;
654         }
655
656         if(smbc_init(get_auth_data, debuglevel) < 0) {
657                 fprintf(stderr, "Unable to initialize libsmbclient\n");
658                 return 1;
659         }
660
661         if (smb_encrypt) {
662                 SMBCCTX *smb_ctx = smbc_set_context(NULL);
663                 smbc_option_set(smb_ctx,
664                         CONST_DISCARD(char *, "smb_encrypt_level"),
665                         "require");
666         }
667
668         columns = get_num_cols();
669
670         total_start_time = time_mono(NULL);
671
672         while ( (file = poptGetArg(pc)) ) {
673                 if (!recursive) 
674                         ret = smb_download_file(file, "", recursive, resume,
675                                                 1, outputfile);
676                 else 
677                         ret = smb_download_dir(file, "", resume);
678         }
679
680         TALLOC_FREE(frame);
681         if ( ret == 0){
682                 clean_exit();
683         }
684         return ret;
685 }